Completed scanner

exercises/02/vslc/src/scanner.l

@@ -0,0 +1,34 @@
+%{
+#include <vslc.h>
+%}
+%option noyywrap
+%option array
+%option yylineno
+
+WHITESPACE [\ \t\v\r\n]
+COMMENT \/\/[^\n]+
+NUMBERS [0-9]+
+STRING \"[\ !#-~]*\"
+IDENTIFIERS [A-Za-z_][A-Za-z0-9_]*
+%%
+{WHITESPACE}+           { /* Eliminate whitespace */ }
+{COMMENT}               { /* Eliminate comments */ }
+
+"func"                  { /*printf("FUNC\n");*/ return FUNC; }
+"print"                 { /*printf("PRINT\n");*/ return PRINT; }
+"return"                { /*printf("RETURN\n");*/ return RETURN; }
+"begin"                 { /*printf("OPENBLOCK\n");*/ return OPENBLOCK; }
+"end"                   { /*printf("CLOSEBLOCK\n");*/ return CLOSEBLOCK; }
+"continue"              { /*printf("CONTINUE\n");*/ return CONTINUE; }
+"if"                    { /*printf("IF\n");*/ return IF; }
+"then"                  { /*printf("THEN\n");*/ return THEN; }
+"else"                  { /*printf("ELSE\n");*/ return ELSE; }
+"while"                 { /*printf("WHILE\n");*/ return WHILE; }
+"do"                    { /*printf("DO\n");*/ return DO; }
+"var"                   { /*printf("VAR\n");*/ return VAR; }
+
+{NUMBERS}               { /*printf("NUMBER\n");*/ return NUMBER; }
+{STRING}                { /*printf("STRING\n");*/ return STRING; }
+{IDENTIFIERS}           { /*printf("IDENTIFIER\n");*/ return IDENTIFIER; }
+.                       { /*printf("'%c'\n", yytext[0]);*/ return yytext[0]; }
+%%